18-x(3-8)=20

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Solution for 18-x(3-8)=20 equation:


Simplifying
18 + -1x(3 + -8) = 20

Combine like terms: 3 + -8 = -5
18 + -1x(-5) = 20

Reorder the terms for easier multiplication:
18 + -1 * -5x = 20

Multiply -1 * -5
18 + 5x = 20

Solving
18 + 5x = 20

Solving for variable 'x'.

Move all terms containing x to the left, all other terms to the right.

Add '-18' to each side of the equation.
18 + -18 + 5x = 20 + -18

Combine like terms: 18 + -18 = 0
0 + 5x = 20 + -18
5x = 20 + -18

Combine like terms: 20 + -18 = 2
5x = 2

Divide each side by '5'.
x = 0.4

Simplifying
x = 0.4

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